drm/xe/guc: Add VF2GUC_MATCH_VERSION to ABI

In upcoming patches we will add a version negotiation between
the VF driver and the GuC firmware. Add necessary definitions
to our GuC firmware ABI header.

Reviewed-by: Piotr Piórkowski <piotr.piorkowski@intel.com>
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240516110546.2216-2-michal.wajdeczko@intel.com

diff --git a/drivers/gpu/drm/xe/abi/guc_actions_sriov_abi.h b/drivers/gpu/drm/xe/abi/guc_actions_sriov_abi.h
index f1aa7f8..2642cd3 100644 (file)
--- a/drivers/gpu/drm/xe/abi/guc_actions_sriov_abi.h
+++ b/drivers/gpu/drm/xe/abi/guc_actions_sriov_abi.h
@@ -243,6 +243,73 @@
 #define   GUC_PF_NOTIFY_VF_PAUSE_DONE                  3u
 #define   GUC_PF_NOTIFY_VF_FIXUP_DONE                  4u
 
+/**
+ * DOC: VF2GUC_MATCH_VERSION
+ *
+ * This action is used to match VF interface version used by VF and GuC.
+ *
+ * This message must be sent as `MMIO HXG Message`_.
+ *
+ *  +---+-------+--------------------------------------------------------------+
+ *  |   | Bits  | Description                                                  |
+ *  +===+=======+==============================================================+
+ *  | 0 |    31 | ORIGIN = GUC_HXG_ORIGIN_HOST_                                |
+ *  |   +-------+--------------------------------------------------------------+
+ *  |   | 30:28 | TYPE = GUC_HXG_TYPE_REQUEST_                                 |
+ *  |   +-------+--------------------------------------------------------------+
+ *  |   | 27:16 | DATA0 = MBZ                                                  |
+ *  |   +-------+--------------------------------------------------------------+
+ *  |   |  15:0 | ACTION = _`GUC_ACTION_VF2GUC_MATCH_VERSION` = 0x5500         |
+ *  +---+-------+--------------------------------------------------------------+
+ *  | 1 | 31:24 | **BRANCH** - branch ID of the VF interface                   |
+ *  |   |       | (use BRANCH_ANY to request latest version supported by GuC)  |
+ *  |   +-------+--------------------------------------------------------------+
+ *  |   | 23:16 | **MAJOR** - major version of the VF interface                |
+ *  |   |       | (use MAJOR_ANY to request latest version supported by GuC)   |
+ *  |   +-------+--------------------------------------------------------------+
+ *  |   |  15:8 | **MINOR** - minor version of the VF interface                |
+ *  |   |       | (use MINOR_ANY to request latest version supported by GuC)   |
+ *  |   +-------+--------------------------------------------------------------+
+ *  |   |   7:0 | **MBZ**                                                      |
+ *  +---+-------+--------------------------------------------------------------+
+ *
+ *  +---+-------+--------------------------------------------------------------+
+ *  |   | Bits  | Description                                                  |
+ *  +===+=======+==============================================================+
+ *  | 0 |    31 | ORIGIN = GUC_HXG_ORIGIN_GUC_                                 |
+ *  |   +-------+--------------------------------------------------------------+
+ *  |   | 30:28 | TYPE = GUC_HXG_TYPE_RESPONSE_SUCCESS_                        |
+ *  |   +-------+--------------------------------------------------------------+
+ *  |   |  27:0 | DATA0 = MBZ                                                  |
+ *  +---+-------+--------------------------------------------------------------+
+ *  | 1 | 31:24 | **BRANCH** - branch ID of the VF interface                   |
+ *  |   +-------+--------------------------------------------------------------+
+ *  |   | 23:16 | **MAJOR** - major version of the VF interface                |
+ *  |   +-------+--------------------------------------------------------------+
+ *  |   |  15:8 | **MINOR** - minor version of the VF interface                |
+ *  |   +-------+--------------------------------------------------------------+
+ *  |   |   7:0 | **PATCH** - patch version of the VF interface                |
+ *  +---+-------+--------------------------------------------------------------+
+ */
+#define GUC_ACTION_VF2GUC_MATCH_VERSION                        0x5500u
+
+#define VF2GUC_MATCH_VERSION_REQUEST_MSG_LEN           (GUC_HXG_REQUEST_MSG_MIN_LEN + 1u)
+#define VF2GUC_MATCH_VERSION_REQUEST_MSG_0_MBZ         GUC_HXG_REQUEST_MSG_0_DATA0
+#define VF2GUC_MATCH_VERSION_REQUEST_MSG_1_BRANCH      (0xffu << 24)
+#define   GUC_VERSION_BRANCH_ANY                       0
+#define VF2GUC_MATCH_VERSION_REQUEST_MSG_1_MAJOR       (0xffu << 16)
+#define   GUC_VERSION_MAJOR_ANY                                0
+#define VF2GUC_MATCH_VERSION_REQUEST_MSG_1_MINOR       (0xffu << 8)
+#define   GUC_VERSION_MINOR_ANY                                0
+#define VF2GUC_MATCH_VERSION_REQUEST_MSG_1_MBZ         (0xffu << 0)
+
+#define VF2GUC_MATCH_VERSION_RESPONSE_MSG_LEN          (GUC_HXG_RESPONSE_MSG_MIN_LEN + 1u)
+#define VF2GUC_MATCH_VERSION_RESPONSE_MSG_0_MBZ                GUC_HXG_RESPONSE_MSG_0_DATA0
+#define VF2GUC_MATCH_VERSION_RESPONSE_MSG_1_BRANCH     (0xffu << 24)
+#define VF2GUC_MATCH_VERSION_RESPONSE_MSG_1_MAJOR      (0xffu << 16)
+#define VF2GUC_MATCH_VERSION_RESPONSE_MSG_1_MINOR      (0xffu << 8)
+#define VF2GUC_MATCH_VERSION_RESPONSE_MSG_1_PATCH      (0xffu << 0)
+
 /**
  * DOC: PF2GUC_UPDATE_VGT_POLICY
  *